ESS OPERATION HOURS AND CONTACT US
ESS Operation Hours
Publication Related Matters & Registration Matters
Monday to Friday (business days only)	06:00 - 23:00
Non-business day immediately preceding a business day	18:00 - 20:00
(To assist us in improving our service to you, telephone calls may be recorded.)
Listing Related Matters
Monday to Friday (business days only)	09:00 - 18:00
Contact Us
ESS Hotline Numbers:
Publication Related Matters & Registration Matters	+ 852 2840 3460
Listing Related Matters	+ 852 2840 3577
By Email:
Publication Related Matters & Registration Matters	ESSHotline@hkex.com.hk
Listing Related Matters	esubmission@hkex.com.hk